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http://www.alphaworks.ibm.com/tech/webservicestoolkit
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http://www.ansa.co.uk/
3. Field, S., Hoffner, Y.: In Search of the Right Partner. In: Camarinha-Matos, L. (ed.) Collaborative Business Ecosystems and Virtual Enterprises, PRO-VE 2002, 3rd IFIP Working Conference on Infrastructures for Virtual Enterprises, pp. 56–62. Kluwer, Dordrecht (2002)
4. Graham, S.: The Role of Private UDDI Nodes in Web Services, Part 1: Six Species of UDDI. Web Services Architect, IBM Emerging Internet Technologies (May 2001a)
5. Graham, S.: The Role of Private UDDI Nodes, Part 2: Private Nodes and Operator Nodes. Web Services Architect, IBM Emerging Internet Technologies (May 2001b)